<template>
<el-container class="home-container">
    <!-- 头部区域 -->
<el-header>
    <div><img src="../assets/图层1.png" alt=""><span>电商后台管理系统</span></div>
<el-button type="info" @click="logout">退出</el-button>
</el-header>
<el-container>
    <!-- 侧边栏 -->
<el-aside :width="isCollapse ? '64px':'200px'">
    <div class="toggke-button" @click="toggleCollapse">|||</div>
     <!-- 侧边栏菜单区 -->
     <el-menu
      background-color="#313743"
      text-color="#fff"
      active-text-color="#007acc"
      unique-opened
      :collapse="isCollapse"
      :collapse-transition="false"
      :router="true"
      :default-active="activePath"
      >
      <!-- 1级菜单 -->
      <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
          <!-- 1级菜单的模板 -->
        <template slot="title">
            <!-- 图标 -->
          <i :class="iconsObj[item.id]"></i>
          <!-- 文本 -->
          <span>{{item.authName}}</span>
        </template>
        <!--二级菜单 -->
          <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">  <template slot="title">
            <!-- 图标 -->
          <i class="el-icon-menu"></i>
          <!-- 文本 -->
          <span>{{subItem.authName}}</span>
        </template></el-menu-item>


      </el-submenu>

    </el-menu></el-aside>
<!-- 右侧内容主体 -->
<el-main>
    <!-- 路由占位符 -->
    <router-view></router-view>
</el-main>
</el-container>
</el-container>


</template>

<script>
export default {
  data () {
    // 左侧菜单数据
    return {
      menulist: [],
      iconsObj: {
        125: 'iconfont icon-user',
        103: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao'
      },
      // 是否折叠
      isCollapse: false,
      // 被激活的连接地址
      activePath: ''

    }
  },
  created () {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    logout () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    // 获取所有菜单
    async getMenuList () {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menulist = res.data
      console.log(res)
    },
    // 点击按钮切换菜单的折叠和展开
    toggleCollapse () {
      this.isCollapse = !this.isCollapse
    },
    // 保存连接的激活状态
    saveNavState (activePath) {
      window.sessionStorage.setItem('activePath', activePath)
      this.activePath = activePath
    }
  }
}
</script>


<style lang="less" scoped>
.home-container{
    height: 100%;
}
.el-header{
    background-color: #2c2c2c;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #fff;
    font-size: 20px;
    >div{
    display: flex;
    align-items: center;
    span{
        margin-left: 15px;
    }
    }
            img{
            width: 7%;
            height: 7%;
            border-radius: 50%;
            background-color: #eee;
        }
}
.el-aside{
    background-color: #313743;
    .el-menu{
        border-right: none;
    }
}
.el-main{
    background-color: #eaedf1;
}
.iconfont{
    margin-right:10px;
}
.toggke-button{
    background-color: #4a5064;
    font-size: 10px;
    line-height:24px ;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>
